This is a preparational patch for the next one to make the following
more obvious:

First, pci_bus_irqs() is now called twice in case of Xen where the
second call overrides the pci_set_irq_fn with the Xen variant.

Second, pci_bus_set_route_irq_fn() is now also called in Xen mode.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
Tested-by: Chuck Zmudzinski <brchuckz@aol.com>
Message-Id: <20230312120221.99183-3-shentey@gmail.com>
---
 hw/isa/piix3.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/isa/piix3.c b/hw/isa/piix3.c
index 1b3e23f0d7..a86cd23ef4 100644
--- a/hw/isa/piix3.c
+++ b/hw/isa/piix3.c
@@ -394,7 +394,7 @@ static void piix3_xen_realize(PCIDevice *dev, Error **errp)
     PIIX3State *piix3 = PIIX3_PCI_DEVICE(dev);
     PCIBus *pci_bus = pci_get_bus(dev);
 
-    pci_piix3_realize(dev, errp);
+    piix3_realize(dev, errp);
     if (*errp) {
         return;
     }
-- 
2.40.0